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cpu/stm32f4/periph/adc: ADC_SR_STRT flag is unused

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This commit is contained in:
DipSwitch 2016-03-14 19:41:25 +01:00
parent d66625b6ca
commit 88018849e9
1 changed files with 0 additions and 3 deletions
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3
cpu/stm32f4/periph/adc.c
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@ -110,8 +110,6 @@ int adc_sample(adc_t line, adc_res_t res)
/* lock and power on the ADC device */ /* lock and power on the ADC device */
prep(line); prep(line);
/* wait for any ongoing conversions to finish */
while (dev(line)->SR & ADC_SR_STRT) {}
/* set resolution and conversion channel */ /* set resolution and conversion channel */
dev(line)->CR1 = res; dev(line)->CR1 = res;
dev(line)->SQR3 = adc_config[line].chan; dev(line)->SQR3 = adc_config[line].chan;
@ -120,7 +118,6 @@ int adc_sample(adc_t line, adc_res_t res)
while (!(dev(line)->SR & ADC_SR_EOC)) {} while (!(dev(line)->SR & ADC_SR_EOC)) {}
/* finally read sample and reset the STRT bit in the status register */ /* finally read sample and reset the STRT bit in the status register */
sample = (int)dev(line)->DR; sample = (int)dev(line)->DR;
dev(line)->SR &= ~ADC_SR_STRT;
/* power off and unlock device again */ /* power off and unlock device again */
done(line); done(line);